<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .box1 {
        width: 200px;
        height: 200px;
        background: lemonchiffon;
        margin-bottom: 50px;
        margin-top: 50px;
      }
      .box2 {
        width: 200px;
        height: 200px;
        background: lightcoral;
        margin-top: 100px;
        /* float: left; */
      }
      .box3 {
        width: 200px;
        height: 200px;
        background: lemonchiffon;
        margin-top: 50px;
      }
      .box4 {
        width: 100px;
        height: 100px;
        background-color: #f12416;
        margin-top: 50px;
      }
      .box5 {
        width: 200px;
        height: 100px;
        background-color: red;
        border-radius: 0 0 100px 100px;
      }
      .box6 {
        background-color: aquamarine;
        border-top: 1px solid red;
        transform: scaleY(0.5);
      }
      .div7 {
        font-size: 12px;
      }
      .div8 {
        font-size: 24px;
        transform: scale(0.5);
      }
    </style>
  </head>
  <body>
    <div class="box1"></div>
    <div class="box2"></div>
    <hr />

    <div class="box3">
      <div class="box4"></div>
    </div>
    <hr />
    <div class="box5"></div>
    <div class="box6"></div>
    <div class="div7">hello world</div>
    <div class="div8">hello world</div>
  </body>
</html>
<script src="./test.js"></script>
